142230431206937 has 2 divisors, whose sum is σ = 142230431206938. Its totient is φ = 142230431206936.

The previous prime is 142230431206859. The next prime is 142230431206943. The reversal of 142230431206937 is 739602134032241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110866074255616 + 31364356951321 = 10529296^2 + 5600389^2 .

It is a cyclic number.

It is not a de Polignac number, because 142230431206937 - 2¹² = 142230431202841 is a prime.

It is a super-2 number, since 2×142230431206937² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142230431206891 and 142230431206900.

It is not a weakly prime, because it can be changed into another prime (142230431206037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71115215603468 + 71115215603469.

It is an arithmetic number, because the mean of its divisors is an integer number (71115215603469).

Almost surely, 2^{142230431206937} is an apocalyptic number.

It is an amenable number.

142230431206937 is a deficient number, since it is larger than the sum of its proper divisors (1).

142230431206937 is an equidigital number, since it uses as much as digits as its factorization.

142230431206937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 47.

The spelling of 142230431206937 in words is "one hundred forty-two trillion, two hundred thirty billion, four hundred thirty-one million, two hundred six thousand, nine hundred thirty-seven".